Treaties that were either written and opened for signature in the year 1840, or entered into force in 1840.
Pages in category "1840 treaties"
The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes.
Treaties that were either written and opened for signature in the year 1840, or entered into force in 1840.
The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes.